Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing our new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The broken line showings of the display screen, symbols, numbers, and text are included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 